Misconceptions of Evolution.odt

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Integrative Studies Biological
ISB 202

Misconceptions about Evolution NotesEvolution is not a theory about the origin of life most evolutionary biology deals with how life changed after its originLife did not evolve by chance mutations are random but natural selection is not Natural Selection does not produce organisms perfectly suited to their environments it often allows the survival of individuals with a range of traitsEvolution occurs slowly and gradually but it can also occur rapidlyGenetic drift has a larger effect on small populations but the process occurs in all populations large or small In a given population some individuals may get lucky and be able to leave more copies of their genes to future generations some individuals may be unlucky with this This changes the allele frequency in a population all by chanceGenetic Drift can act at the same time as other mechanisms of evolutionNatural selection results from genetic variation in a population and the fact that s
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